A Survey on Vulnerability and Attack Injection for Evaluation of Web Security Mechanism

The use of web applications is increasing very widely in the field of global economy. Now a day?s web application security becomes a critical issue. Web applications are vulnerable due to software defects. Developers used unchecked input fields at user interface. Attackers take advantage of it and exploit such vulnerability into the attack. Vulnerability is a weakness in the systems security that could be accidentally occur or intentionally violated and result in security failure. Hackers or attackers can exploit a vulnerable web application and cause serious damage. To protect information from such attacks many web security solutions presented by researchers, but these solutions are insufficient because new attacks and vulnerabilities are encountered every day. We need to review these methods and overcome limitations by developing new ones. This paper surveys the methods of vulnerability detection and prevention.